Python 3 compatibility: Fix 'RuntimeError: dictionary changed size during iteration' during running autogen.sh.
Python 3 compatibility:
Fix 'RuntimeError: dictionary changed size during iteration' during running
autogen.sh.

* build/generator/gen_base.py
  (IncludeDependencyInfo._include_closure): Make 'items' a list.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion